What does a 'skein of prejudice' mean?

I came across this sentence:

What confidence can we have that the result is anything more than a self-consistent skein of prejudice?

What does the phrase 'skein of prejudice' actually mean?


Solution 1:

From the Grammarist:

Skein most often refers to a coil of yarn, though it may also be used figuratively to mean an element belonging to a more complicated whole.

...a self-consistent element of prejudice.